Spain also grappled with the aftermath of an extraordinary outburst of popular anger in which crowds heckled and hurled mud at King Felipe VI, Queen Letizia and Prime Minister Pedro Sanchez. The Civil Guard has opened an investigation into the chaos in the ground-zero town of Paiporta that cut short their visit on Sunday,

Barcelona's El Prat airport, Spain's second busiest, said 50 flights were cancelled or delayed and 17 diverted on Monday, while the city closed some flooded metro stations and regional trains were suspended.

Emergency workers continued the search for victims of last week’s flash floods, while a national debate raged over who was to blame for the catastrophe.